1901-2000 Degrees Fahrenheit 1 46.3 44.7 1.6 86 44 1943 2010 2007 2012 normal 1959 2 40.6 39.5 1.1 78 52 1916 1945 2007 2012 normal 1931 3 36.5 34.6 1.9 91 39 1916 2012 2011 2012 top-third 1902,1946,1997 4 34.3 32.0 2.3 105 25 1904 2012 2011 2012 top-third 1903,1945,1995 5 34.4 31.2 3.2 112 17 1904 2012 2011 2012 top-third 1913,2000,2006 6 35.2 32.6 2.6 107 22 1904 2012 2011 2012 top-third 1913 7 37.8 35.1 2.7 108 21 1918 2012 2011 2012 top-third 8 40.8 38.2 2.6 111 18 1918 2012 2011 2012 top-third 1932 9 44.2 41.5 2.7 114 15 1904 2012 2011 2012 top-third 10 47.1 44.3 2.8 117 12 1904 2012 2011 2012 top-tenth 1949 11 48.7 46.1 2.6 117 12 1904 2012 2011 2012 top-tenth 12 49.7 46.9 2.8 120 9 1904,1918 2012 2011 2012 top-tenth 18 46.4 42.1 4.3 126 2 1905 2017 2012 2013 top-tenth 2023 24 50.8 46.9 3.9 126 2 1905 2023 2012 2013 top-tenth 2017 36 50.2 46.9 3.3 125 2 1906 2023 2012 2013 top-tenth 2022 48 49.9 46.9 3.0 122 4 1907 2023 2012 2013 top-tenth 60 49.5 46.9 2.6 120 5 1908 2023 2012 2013 top-tenth